1043423153 has 4 divisors (see below), whose sum is σ = 1043521140. Its totient is φ = 1043325168.

The previous prime is 1043423149. The next prime is 1043423159. The reversal of 1043423153 is 3513243401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3513243401 = 23279 ⋅150919.

It can be written as a sum of positive squares in 2 ways, for example, as 36820624 + 1006602529 = 6068^2 + 31727^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043423153 - 2² = 1043423149 is a prime.

It is a super-2 number, since 2×1043423153² = 2177463752432922818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043423159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30758 + ... + 55071.

It is an arithmetic number, because the mean of its divisors is an integer number (260880285).

Almost surely, 2^1043423153 is an apocalyptic number.

It is an amenable number.

1043423153 is a deficient number, since it is larger than the sum of its proper divisors (97987).

1043423153 is an equidigital number, since it uses as much as digits as its factorization.

1043423153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97986.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1043423153 is about 32302.0611261882. The cubic root of 1043423153 is about 1014.2697888876.

Adding to 1043423153 its reverse (3513243401), we get a palindrome (4556666554).

The spelling of 1043423153 in words is "one billion, forty-three million, four hundred twenty-three thousand, one hundred fifty-three".