23487273394 has 16 divisors (see below), whose sum is σ = 37943696448. Its totient is φ = 10839503952.

The previous prime is 23487273379. The next prime is 23487273413. The reversal of 23487273394 is 49337278432.

It is a happy number.

It is a super-2 number, since 2×23487273394² (a number of 22 digits) contains 22 as substring.

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, 508449 + ... + 552715.

It is an arithmetic number, because the mean of its divisors is an integer number (2371481028).

Almost surely, 2^23487273394 is an apocalyptic number.

23487273394 is a deficient number, since it is larger than the sum of its proper divisors (14456423054).

23487273394 is a wasteful number, since it uses less digits than its factorization.

23487273394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64689.

The product of its digits is 6096384, while the sum is 52.

The spelling of 23487273394 in words is "twenty-three billion, four hundred eighty-seven million, two hundred seventy-three thousand, three hundred ninety-four".