23123906 has 32 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 10293696.

The previous prime is 23123897. The next prime is 23123921. The reversal of 23123906 is 60932132.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155120 + ... + 155268.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^23123906 is an apocalyptic number.

23123906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23123906 is a deficient number, since it is larger than the sum of its proper divisors (15583294).

23123906 is a wasteful number, since it uses less digits than its factorization.

23123906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 23123906 is about 4808.7322653689. The cubic root of 23123906 is about 284.8964679859.

The spelling of 23123906 in words is "twenty-three million, one hundred twenty-three thousand, nine hundred six".