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23124931 is a prime number
BaseRepresentation
bin101100000110…
…1101111000011
31121111212102221
41120031233003
521404444211
62143351511
7400362424
oct130155703
947455387
1023124931
1112065115
1278b2597
134a388bb
1430dd64b
15206bc71
hex160dbc3

23124931 has 2 divisors, whose sum is σ = 23124932. Its totient is φ = 23124930.

The previous prime is 23124911. The next prime is 23124961. The reversal of 23124931 is 13942132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23124931 - 213 = 23116739 is a prime.

It is a super-2 number, since 2×231249312 = 1069524867509522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23124896 and 23124905.

It is not a weakly prime, because it can be changed into another prime (23124901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11562465 + 11562466.

It is an arithmetic number, because the mean of its divisors is an integer number (11562466).

Almost surely, 223124931 is an apocalyptic number.

23124931 is a deficient number, since it is larger than the sum of its proper divisors (1).

23124931 is an equidigital number, since it uses as much as digits as its factorization.

23124931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 23124931 is about 4808.8388411341. The cubic root of 23124931 is about 284.9006774040.

The spelling of 23124931 in words is "twenty-three million, one hundred twenty-four thousand, nine hundred thirty-one".