123434153 has 2 divisors, whose sum is σ = 123434154. Its totient is φ = 123434152.

The previous prime is 123434119. The next prime is 123434177. The reversal of 123434153 is 351434321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85525504 + 37908649 = 9248^2 + 6157^2 .

It is a cyclic number.

It is not a de Polignac number, because 123434153 - 2⁸ = 123433897 is a prime.

It is not a weakly prime, because it can be changed into another prime (123434453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61717076 + 61717077.

It is an arithmetic number, because the mean of its divisors is an integer number (61717077).

Almost surely, 2^123434153 is an apocalyptic number.

It is an amenable number.

123434153 is a deficient number, since it is larger than the sum of its proper divisors (1).

123434153 is an equidigital number, since it uses as much as digits as its factorization.

123434153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 123434153 is about 11110.0923938552. The cubic root of 123434153 is about 497.9034250345.

Adding to 123434153 its reverse (351434321), we get a palindrome (474868474).

The spelling of 123434153 in words is "one hundred twenty-three million, four hundred thirty-four thousand, one hundred fifty-three".