23453031025 has 24 divisors (see below), whose sum is σ = 29475222840. Its totient is φ = 18509813760.

The previous prime is 23453030989. The next prime is 23453031047. The reversal of 23453031025 is 52013035432.

It can be written as a sum of positive squares in 12 ways, for example, as 20591102016 + 2861929009 = 143496^2 + 53497^2 .

It is not a de Polignac number, because 23453031025 - 2²¹ = 23450933873 is a prime.

It is a super-2 number, since 2×23453031025² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23453030984 and 23453031002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 753471 + ... + 783979.

It is an arithmetic number, because the mean of its divisors is an integer number (1228134285).

Almost surely, 2^23453031025 is an apocalyptic number.

23453031025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23453031025 is a deficient number, since it is larger than the sum of its proper divisors (6022191815).

23453031025 is a wasteful number, since it uses less digits than its factorization.

23453031025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30933 (or 30928 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 23453031025 its reverse (52013035432), we get a palindrome (75466066457).

The spelling of 23453031025 in words is "twenty-three billion, four hundred fifty-three million, thirty-one thousand, twenty-five".