23151446506 has 8 divisors (see below), whose sum is σ = 34731068580. Its totient is φ = 11574423648.

The previous prime is 23151446429. The next prime is 23151446509. The reversal of 23151446506 is 60564415132.

It can be written as a sum of positive squares in 2 ways, for example, as 21642823225 + 1508623281 = 147115^2 + 38841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23151446509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627381 + ... + 663256.

Almost surely, 2^23151446506 is an apocalyptic number.

23151446506 is a deficient number, since it is larger than the sum of its proper divisors (11579622074).

23151446506 is a wasteful number, since it uses less digits than its factorization.

23151446506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299608.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 23151446506 in words is "twenty-three billion, one hundred fifty-one million, four hundred forty-six thousand, five hundred six".