123407331 has 8 divisors (see below), whose sum is σ = 167240784. Its totient is φ = 80922720.

The previous prime is 123407329. The next prime is 123407341. The reversal of 123407331 is 133704321.

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

It is not a de Polignac number, because 123407331 - 2¹ = 123407329 is a prime.

It is a super-2 number, since 2×123407331² = 30458738689087122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123407341) 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, 336996 + ... + 337361.

It is an arithmetic number, because the mean of its divisors is an integer number (20905098).

Almost surely, 2^123407331 is an apocalyptic number.

123407331 is a deficient number, since it is larger than the sum of its proper divisors (43833453).

123407331 is an equidigital number, since it uses as much as digits as its factorization.

123407331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674421.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 123407331 is about 11108.8852276005. The cubic root of 123407331 is about 497.8673579418.

The spelling of 123407331 in words is "one hundred twenty-three million, four hundred seven thousand, three hundred thirty-one".