23487394506 has 32 divisors (see below), whose sum is σ = 48018382848. Its totient is φ = 7655505840.

The previous prime is 23487394481. The next prime is 23487394543. The reversal of 23487394506 is 60549378432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273291 + ... + 348801.

It is an arithmetic number, because the mean of its divisors is an integer number (1500574464).

Almost surely, 2^23487394506 is an apocalyptic number.

23487394506 is an abundant number, since it is smaller than the sum of its proper divisors (24530988342).

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

23487394506 is a wasteful number, since it uses less digits than its factorization.

23487394506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76666.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 23487394506 in words is "twenty-three billion, four hundred eighty-seven million, three hundred ninety-four thousand, five hundred six".