123233401 has 4 divisors (see below), whose sum is σ = 127208704. Its totient is φ = 119258100.

The previous prime is 123233387. The next prime is 123233431. The reversal of 123233401 is 104332321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104332321 = 173 ⋅603077.

It is a cyclic number.

It is not a de Polignac number, because 123233401 - 2¹³ = 123225209 is a prime.

It is a super-2 number, since 2×123233401² = 30372942244053602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123233431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987605 + ... + 1987666.

It is an arithmetic number, because the mean of its divisors is an integer number (31802176).

Almost surely, 2^123233401 is an apocalyptic number.

It is an amenable number.

123233401 is a deficient number, since it is larger than the sum of its proper divisors (3975303).

123233401 is an equidigital number, since it uses as much as digits as its factorization.

123233401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975302.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 123233401 is about 11101.0540490532. The cubic root of 123233401 is about 497.6333502791.

Adding to 123233401 its reverse (104332321), we get a palindrome (227565722).

The spelling of 123233401 in words is "one hundred twenty-three million, two hundred thirty-three thousand, four hundred one".