372128023157 has 4 divisors (see below), whose sum is σ = 405957843456. Its totient is φ = 338298202860.

The previous prime is 372128023147. The next prime is 372128023159. The reversal of 372128023157 is 751320821273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 372128023157 - 2¹² = 372128019061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372128023159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16914910133 + ... + 16914910154.

It is an arithmetic number, because the mean of its divisors is an integer number (101489460864).

Almost surely, 2^372128023157 is an apocalyptic number.

It is an amenable number.

372128023157 is a deficient number, since it is larger than the sum of its proper divisors (33829820299).

372128023157 is a wasteful number, since it uses less digits than its factorization.

372128023157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33829820298.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 372128023157 in words is "three hundred seventy-two billion, one hundred twenty-eight million, twenty-three thousand, one hundred fifty-seven".