123620371 has 16 divisors (see below), whose sum is σ = 145172160. Its totient is φ = 103057920.

The previous prime is 123620369. The next prime is 123620381. The reversal of 123620371 is 173026321.

It is not a de Polignac number, because 123620371 - 2¹ = 123620369 is a prime.

It is a super-2 number, since 2×123620371² = 30563992252355282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123620381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162925 + ... + 163681.

It is an arithmetic number, because the mean of its divisors is an integer number (9073260).

Almost surely, 2^123620371 is an apocalyptic number.

123620371 is a deficient number, since it is larger than the sum of its proper divisors (21551789).

123620371 is an equidigital number, since it uses as much as digits as its factorization.

123620371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 123620371 is about 11118.4698137828. The cubic root of 123620371 is about 498.1536853026.

Adding to 123620371 its reverse (173026321), we get a palindrome (296646692).

The spelling of 123620371 in words is "one hundred twenty-three million, six hundred twenty thousand, three hundred seventy-one".