15223523401 has 8 divisors (see below), whose sum is σ = 15423750144. Its totient is φ = 15024552480.

The previous prime is 15223523363. The next prime is 15223523453. The reversal of 15223523401 is 10432532251.

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

It is a cyclic number.

It is not a de Polignac number, because 15223523401 - 2²¹ = 15221426249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15223523401.

It is not an unprimeable number, because it can be changed into a prime (15223529401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289540 + ... + 338053.

It is an arithmetic number, because the mean of its divisors is an integer number (1927968768).

Almost surely, 2^15223523401 is an apocalyptic number.

It is an amenable number.

15223523401 is a deficient number, since it is larger than the sum of its proper divisors (200226743).

15223523401 is a wasteful number, since it uses less digits than its factorization.

15223523401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627911.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 15223523401 in words is "fifteen billion, two hundred twenty-three million, five hundred twenty-three thousand, four hundred one".