15123533404 has 48 divisors (see below), whose sum is σ = 32049561600. Its totient is φ = 6095819520.

The previous prime is 15123533401. The next prime is 15123533419. The reversal of 15123533404 is 40433532151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15123533401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689397 + ... + 710995.

It is an arithmetic number, because the mean of its divisors is an integer number (667699200).

Almost surely, 2^15123533404 is an apocalyptic number.

15123533404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15123533404 is an abundant number, since it is smaller than the sum of its proper divisors (16926028196).

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

15123533404 is a wasteful number, since it uses less digits than its factorization.

15123533404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23098 (or 23096 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 15123533404 in words is "fifteen billion, one hundred twenty-three million, five hundred thirty-three thousand, four hundred four".