15123053432 has 8 divisors (see below), whose sum is σ = 28355725200. Its totient is φ = 7561526712.

The previous prime is 15123053377. The next prime is 15123053453. The reversal of 15123053432 is 23435032151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 15123053395 and 15123053404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945190832 + ... + 945190847.

It is an arithmetic number, because the mean of its divisors is an integer number (3544465650).

Almost surely, 2^15123053432 is an apocalyptic number.

It is an amenable number.

15123053432 is a deficient number, since it is larger than the sum of its proper divisors (13232671768).

15123053432 is a wasteful number, since it uses less digits than its factorization.

15123053432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890381685 (or 1890381681 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 15123053432 its reverse (23435032151), we get a palindrome (38558085583).

The spelling of 15123053432 in words is "fifteen billion, one hundred twenty-three million, fifty-three thousand, four hundred thirty-two".