23002514540 has 48 divisors (see below), whose sum is σ = 52087885920. Its totient is φ = 8504133120.

The previous prime is 23002514537. The next prime is 23002514543. The reversal of 23002514540 is 4541520032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23002514537) and next prime (23002514543).

It is a super-2 number, since 2×23002514540² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23002514543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722627 + ... + 753786.

It is an arithmetic number, because the mean of its divisors is an integer number (1085164290).

Almost surely, 2^23002514540 is an apocalyptic number.

23002514540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23002514540 is an abundant number, since it is smaller than the sum of its proper divisors (29085371380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23002514540 is a wasteful number, since it uses less digits than its factorization.

23002514540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476482 (or 1476480 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 23002514540 in words is "twenty-three billion, two million, five hundred fourteen thousand, five hundred forty".