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23032011497 = 112972200663
BaseRepresentation
bin10101011100110100…
…001001101011101001
32012110010210102002212
4111130310021223221
5334132143331442
614325235534505
71443516603365
oct253464115351
965403712085
1023032011497
119849a74150
12456945a435
1322308b9891
141186c622a5
158ec034a82
hex55cd09ae9

23032011497 has 8 divisors (see below), whose sum is σ = 25992239040. Its totient is φ = 20216185360.

The previous prime is 23032011463. The next prime is 23032011517. The reversal of 23032011497 is 79411023032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23032011497 - 214 = 23031995113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23032011397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36100013 + ... + 36100650.

It is an arithmetic number, because the mean of its divisors is an integer number (3249029880).

Almost surely, 223032011497 is an apocalyptic number.

It is an amenable number.

23032011497 is a deficient number, since it is larger than the sum of its proper divisors (2960227543).

23032011497 is a wasteful number, since it uses less digits than its factorization.

23032011497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72200703.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 23032011497 in words is "twenty-three billion, thirty-two million, eleven thousand, four hundred ninety-seven".

Divisors: 1 11 29 319 72200663 794207293 2093819227 23032011497