23012555450 has 12 divisors (see below), whose sum is σ = 42803353230. Its totient is φ = 9205022160.

The previous prime is 23012555443. The next prime is 23012555473. The reversal of 23012555450 is 5455521032.

It can be written as a sum of positive squares in 3 ways, for example, as 14513743729 + 8498811721 = 120473^2 + 92189^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230125505 + ... + 230125604.

Almost surely, 2^23012555450 is an apocalyptic number.

23012555450 is a deficient number, since it is larger than the sum of its proper divisors (19790797780).

23012555450 is a wasteful number, since it uses less digits than its factorization.

23012555450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460251121 (or 460251116 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 23012555450 in words is "twenty-three billion, twelve million, five hundred fifty-five thousand, four hundred fifty".