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23134555 = 561101751
BaseRepresentation
bin101100001000…
…0000101011011
31121112100122101
41120100011123
521410301210
62143504231
7400432453
oct130200533
947470571
1023134555
1112071374
1278b8077
134a400b2
143102d63
15206ea3a
hex161015b

23134555 has 16 divisors (see below), whose sum is σ = 28533888. Its totient is φ = 18000000.

The previous prime is 23134543. The next prime is 23134567. The reversal of 23134555 is 55543132.

It is an interprime number because it is at equal distance from previous prime (23134543) and next prime (23134567).

It is not a de Polignac number, because 23134555 - 25 = 23134523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30430 + ... + 31180.

It is an arithmetic number, because the mean of its divisors is an integer number (1783368).

Almost surely, 223134555 is an apocalyptic number.

23134555 is a deficient number, since it is larger than the sum of its proper divisors (5399333).

23134555 is a wasteful number, since it uses less digits than its factorization.

23134555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

The product of its digits is 9000, while the sum is 28.

The square root of 23134555 is about 4809.8393944081. The cubic root of 23134555 is about 284.9401946944.

Adding to 23134555 its reverse (55543132), we get a palindrome (78677687).

The spelling of 23134555 in words is "twenty-three million, one hundred thirty-four thousand, five hundred fifty-five".

Divisors: 1 5 61 101 305 505 751 3755 6161 30805 45811 75851 229055 379255 4626911 23134555