223957453 has 2 divisors, whose sum is σ = 223957454. Its totient is φ = 223957452.

The previous prime is 223957441. The next prime is 223957471. The reversal of 223957453 is 354759322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223412809 + 544644 = 14947^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 223957453 - 2¹³ = 223949261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223957753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111978726 + 111978727.

It is an arithmetic number, because the mean of its divisors is an integer number (111978727).

Almost surely, 2^223957453 is an apocalyptic number.

It is an amenable number.

223957453 is a deficient number, since it is larger than the sum of its proper divisors (1).

223957453 is an equidigital number, since it uses as much as digits as its factorization.

223957453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 223957453 is about 14965.2080840862. The cubic root of 223957453 is about 607.2793402287.

The spelling of 223957453 in words is "two hundred twenty-three million, nine hundred fifty-seven thousand, four hundred fifty-three".