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23157373 is a prime number
BaseRepresentation
bin101100001010…
…1101001111101
31121120111221111
41120111221331
521412013443
62144202021
7400556131
oct130255175
947514844
1023157373
1112087528
127909311
134a4a5b5
14310b3c1
15207669d
hex1615a7d

23157373 has 2 divisors, whose sum is σ = 23157374. Its totient is φ = 23157372.

The previous prime is 23157361. The next prime is 23157397. The reversal of 23157373 is 37375132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20958084 + 2199289 = 4578^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 23157373 - 217 = 23026301 is a prime.

It is a super-2 number, since 2×231573732 = 1072527848522258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23157313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11578686 + 11578687.

It is an arithmetic number, because the mean of its divisors is an integer number (11578687).

Almost surely, 223157373 is an apocalyptic number.

It is an amenable number.

23157373 is a deficient number, since it is larger than the sum of its proper divisors (1).

23157373 is an equidigital number, since it uses as much as digits as its factorization.

23157373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 31.

The square root of 23157373 is about 4812.2108224807. The cubic root of 23157373 is about 285.0338443444.

The spelling of 23157373 in words is "twenty-three million, one hundred fifty-seven thousand, three hundred seventy-three".