23151123052 has 24 divisors (see below), whose sum is σ = 42303234960. Its totient is φ = 11071945920.

The previous prime is 23151123013. The next prime is 23151123091. The reversal of 23151123052 is 25032115132.

It is an interprime number because it is at equal distance from previous prime (23151123013) and next prime (23151123091).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920199 + ... + 945022.

It is an arithmetic number, because the mean of its divisors is an integer number (1762634790).

Almost surely, 2^23151123052 is an apocalyptic number.

It is an amenable number.

23151123052 is a deficient number, since it is larger than the sum of its proper divisors (19152111908).

23151123052 is a wasteful number, since it uses less digits than its factorization.

23151123052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865361 (or 1865359 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 23151123052 its reverse (25032115132), we get a palindrome (48183238184).

The spelling of 23151123052 in words is "twenty-three billion, one hundred fifty-one million, one hundred twenty-three thousand, fifty-two".