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23230290207 = 3192511623701
BaseRepresentation
bin10101101000101000…
…100001100100011111
32012221221220000100210
4111220220201210133
5340033423241312
614401041423503
71451445131415
oct255050414437
965857800323
1023230290207
119940990953
12460393ab93
1322629c0567
1411a53172b5
1590e64de3c
hex568a2191f

23230290207 has 16 divisors (see below), whose sum is σ = 32733832320. Its totient is φ = 14613300000.

The previous prime is 23230290179. The next prime is 23230290221. The reversal of 23230290207 is 70209203232.

It is not a de Polignac number, because 23230290207 - 26 = 23230290143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230250207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797544 + ... + 826157.

It is an arithmetic number, because the mean of its divisors is an integer number (2045864520).

Almost surely, 223230290207 is an apocalyptic number.

23230290207 is a deficient number, since it is larger than the sum of its proper divisors (9503542113).

23230290207 is a wasteful number, since it uses less digits than its factorization.

23230290207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623974.

The product of its (nonzero) digits is 9072, while the sum is 30.

Adding to 23230290207 its reverse (70209203232), we get a palindrome (93439493439).

The spelling of 23230290207 in words is "twenty-three billion, two hundred thirty million, two hundred ninety thousand, two hundred seven".

Divisors: 1 3 19 57 251 753 4769 14307 1623701 4871103 30850319 92550957 407548951 1222646853 7743430069 23230290207