1653051023 has 12 divisors (see below), whose sum is σ = 1810118880. Its totient is φ = 1508734656.

The previous prime is 1653051007. The next prime is 1653051047. The reversal of 1653051023 is 3201503561.

It is not a de Polignac number, because 1653051023 - 2⁴ = 1653051007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1653050983 and 1653051001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653041023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39911 + ... + 69992.

It is an arithmetic number, because the mean of its divisors is an integer number (150843240).

Almost surely, 2^1653051023 is an apocalyptic number.

1653051023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1653051023 is a deficient number, since it is larger than the sum of its proper divisors (157067857).

1653051023 is a wasteful number, since it uses less digits than its factorization.

1653051023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110018 (or 110005 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1653051023 is about 40657.7301752078. The cubic root of 1653051023 is about 1182.3936432911.

Adding to 1653051023 its reverse (3201503561), we get a palindrome (4854554584).

The spelling of 1653051023 in words is "one billion, six hundred fifty-three million, fifty-one thousand, twenty-three".