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123430253132 = 2230857563283
BaseRepresentation
bin111001011110100000…
…1000011001001001100
3102210121001210112011202
41302331001003021030
54010241121100012
6132411510405032
711626500561254
oct1627501031114
9383531715152
10123430253132
114838a18406a
121bb08660778
13b840a73454
145d8cb4a964
1533261d6cc2
hex1cbd04324c

123430253132 has 6 divisors (see below), whose sum is σ = 216002942988. Its totient is φ = 61715126564.

The previous prime is 123430253123. The next prime is 123430253179. The reversal of 123430253132 is 231352034321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123430253095 and 123430253104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15428781638 + ... + 15428781645.

It is an arithmetic number, because the mean of its divisors is an integer number (36000490498).

Almost surely, 2123430253132 is an apocalyptic number.

It is an amenable number.

123430253132 is a deficient number, since it is larger than the sum of its proper divisors (92572689856).

123430253132 is a wasteful number, since it uses less digits than its factorization.

123430253132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30857563287 (or 30857563285 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 123430253132 its reverse (231352034321), we get a palindrome (354782287453).

The spelling of 123430253132 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred fifty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 30857563283 61715126566 123430253132