123913453 has 2 divisors, whose sum is σ = 123913454. Its totient is φ = 123913452.

The previous prime is 123913409. The next prime is 123913477. The reversal of 123913453 is 354319321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121947849 + 1965604 = 11043^2 + 1402^2 .

It is a cyclic number.

It is not a de Polignac number, because 123913453 - 2¹³ = 123905261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123913483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61956726 + 61956727.

It is an arithmetic number, because the mean of its divisors is an integer number (61956727).

Almost surely, 2^123913453 is an apocalyptic number.

It is an amenable number.

123913453 is a deficient number, since it is larger than the sum of its proper divisors (1).

123913453 is an equidigital number, since it uses as much as digits as its factorization.

123913453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 123913453 is about 11131.6419723238. The cubic root of 123913453 is about 498.5470526443.

The spelling of 123913453 in words is "one hundred twenty-three million, nine hundred thirteen thousand, four hundred fifty-three".