15057057423 has 8 divisors (see below), whose sum is σ = 20565737136. Its totient is φ = 9793208000.

The previous prime is 15057057397. The next prime is 15057057439. The reversal of 15057057423 is 32475075051.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15057057423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15057053423) 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, 61207428 + ... + 61207673.

It is an arithmetic number, because the mean of its divisors is an integer number (2570717142).

Almost surely, 2^15057057423 is an apocalyptic number.

15057057423 is a deficient number, since it is larger than the sum of its proper divisors (5508679713).

15057057423 is a wasteful number, since it uses less digits than its factorization.

15057057423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122415145.

The product of its (nonzero) digits is 147000, while the sum is 39.

The spelling of 15057057423 in words is "fifteen billion, fifty-seven million, fifty-seven thousand, four hundred twenty-three".