1230434153 has 4 divisors (see below), whose sum is σ = 1325082948. Its totient is φ = 1135785360.

The previous prime is 1230434147. The next prime is 1230434159. The reversal of 1230434153 is 3514340321.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1230434147) and next prime (1230434159).

It can be written as a sum of positive squares in 2 ways, for example, as 215884249 + 1014549904 = 14693^2 + 31852^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230434153 - 2¹⁰ = 1230433129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230434159) 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, 47324378 + ... + 47324403.

It is an arithmetic number, because the mean of its divisors is an integer number (331270737).

Almost surely, 2^1230434153 is an apocalyptic number.

1230434153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1230434153 is a deficient number, since it is larger than the sum of its proper divisors (94648795).

1230434153 is an equidigital number, since it uses as much as digits as its factorization.

1230434153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94648794.

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

The square root of 1230434153 is about 35077.5448542226. The cubic root of 1230434153 is about 1071.5673170409.

Adding to 1230434153 its reverse (3514340321), we get a palindrome (4744774474).

The spelling of 1230434153 in words is "one billion, two hundred thirty million, four hundred thirty-four thousand, one hundred fifty-three".