23501122 has 4 divisors (see below), whose sum is σ = 35251686. Its totient is φ = 11750560.

The previous prime is 23501111. The next prime is 23501129. The reversal of 23501122 is 22110532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23242041 + 259081 = 4821^2 + 509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23501096 and 23501105.

It is not an unprimeable number, because it can be changed into a prime (23501129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5875279 + ... + 5875282.

Almost surely, 2^23501122 is an apocalyptic number.

23501122 is a deficient number, since it is larger than the sum of its proper divisors (11750564).

23501122 is a wasteful number, since it uses less digits than its factorization.

23501122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11750563.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23501122 is about 4847.7955814989. The cubic root of 23501122 is about 286.4372742728.

Adding to 23501122 its reverse (22110532), we get a palindrome (45611654).

It can be divided in two parts, 2350112 and 2, that multiplied together give a square (4700224 = 2168²).

The spelling of 23501122 in words is "twenty-three million, five hundred one thousand, one hundred twenty-two".