137372623 has 8 divisors (see below), whose sum is σ = 142243200. Its totient is φ = 132511008.

The previous prime is 137372617. The next prime is 137372639. The reversal of 137372623 is 326273731.

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-137372623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137372663) 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, 49665 + ... + 52357.

It is an arithmetic number, because the mean of its divisors is an integer number (17780400).

Almost surely, 2^137372623 is an apocalyptic number.

137372623 is a deficient number, since it is larger than the sum of its proper divisors (4870577).

137372623 is a wasteful number, since it uses less digits than its factorization.

137372623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481.

The product of its digits is 31752, while the sum is 34.

The square root of 137372623 is about 11720.6067675697. The cubic root of 137372623 is about 515.9806281913.

The spelling of 137372623 in words is "one hundred thirty-seven million, three hundred seventy-two thousand, six hundred twenty-three".