23146123 has 32 divisors (see below), whose sum is σ = 32739840. Its totient is φ = 15759360.

The previous prime is 23146117. The next prime is 23146139. The reversal of 23146123 is 32164132.

It is not a de Polignac number, because 23146123 - 2⁹ = 23145611 is a prime.

It is a super-2 number, since 2×23146123² = 1071486019862258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23146094 and 23146103.

It is not an unprimeable number, because it can be changed into a prime (23146103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18411 + ... + 19627.

It is an arithmetic number, because the mean of its divisors is an integer number (1023120).

Almost surely, 2^23146123 is an apocalyptic number.

23146123 is a deficient number, since it is larger than the sum of its proper divisors (9593717).

23146123 is a wasteful number, since it uses less digits than its factorization.

23146123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267.

The product of its digits is 864, while the sum is 22.

The square root of 23146123 is about 4811.0417790745. The cubic root of 23146123 is about 284.9876797793.

Subtracting 23146123 from its reverse (32164132), we obtain a square (9018009 = 3003²).

The spelling of 23146123 in words is "twenty-three million, one hundred forty-six thousand, one hundred twenty-three".