123022641 has 16 divisors (see below), whose sum is σ = 191453184. Its totient is φ = 68802384.

The previous prime is 123022637. The next prime is 123022649. The reversal of 123022641 is 146220321.

It is not a de Polignac number, because 123022641 - 2² = 123022637 is a prime.

It is a super-2 number, since 2×123022641² = 30269140397229762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (123022649) 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, 61335 + ... + 63308.

It is an arithmetic number, because the mean of its divisors is an integer number (11965824).

Almost surely, 2^123022641 is an apocalyptic number.

It is an amenable number.

123022641 is a deficient number, since it is larger than the sum of its proper divisors (68430543).

123022641 is a wasteful number, since it uses less digits than its factorization.

123022641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124700.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 123022641 is about 11091.5571945512. The cubic root of 123022641 is about 497.3494958155.

Adding to 123022641 its reverse (146220321), we get a palindrome (269242962).

It can be divided in two parts, 1230 and 22641, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 123022641 in words is "one hundred twenty-three million, twenty-two thousand, six hundred forty-one".