123426541 has 12 divisors (see below), whose sum is σ = 143794812. Its totient is φ = 105634368.

The previous prime is 123426521. The next prime is 123426551. The reversal of 123426541 is 145624321.

It can be written as a sum of positive squares in 2 ways, for example, as 49294441 + 74132100 = 7021^2 + 8610^2 .

It is not a de Polignac number, because 123426541 - 2¹³ = 123418349 is a prime.

It is a super-2 number, since 2×123426541² = 30468222046449362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123426521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40321 + ... + 43273.

It is an arithmetic number, because the mean of its divisors is an integer number (11982901).

Almost surely, 2^123426541 is an apocalyptic number.

It is an amenable number.

123426541 is a deficient number, since it is larger than the sum of its proper divisors (20368271).

123426541 is an equidigital number, since it uses as much as digits as its factorization.

123426541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3813 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 123426541 is about 11109.7498171651. The cubic root of 123426541 is about 497.8931898371.

The spelling of 123426541 in words is "one hundred twenty-three million, four hundred twenty-six thousand, five hundred forty-one".