123458061 has 4 divisors (see below), whose sum is σ = 164610752. Its totient is φ = 82305372.

The previous prime is 123458051. The next prime is 123458077. The reversal of 123458061 is 160854321.

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: 160854321 = 3 ⋅53618107.

It is not a de Polignac number, because 123458061 - 2¹⁴ = 123441677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123458051) 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, 20576341 + ... + 20576346.

It is an arithmetic number, because the mean of its divisors is an integer number (41152688).

Almost surely, 2^123458061 is an apocalyptic number.

It is an amenable number.

123458061 is a deficient number, since it is larger than the sum of its proper divisors (41152691).

123458061 is an equidigital number, since it uses as much as digits as its factorization.

123458061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41152690.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 123458061 is about 11111.1683004084. The cubic root of 123458061 is about 497.9355693164.

It can be divided in two parts, 1234 and 58061, that added together give a palindrome (59295).

The spelling of 123458061 in words is "one hundred twenty-three million, four hundred fifty-eight thousand, sixty-one".