123357061 has 2 divisors, whose sum is σ = 123357062. Its totient is φ = 123357060.

The previous prime is 123357043. The next prime is 123357089. The reversal of 123357061 is 160753321.

It is an a-pointer prime, because the next prime (123357089) can be obtained adding 123357061 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65124900 + 58232161 = 8070^2 + 7631^2 .

It is a cyclic number.

It is not a de Polignac number, because 123357061 - 2¹¹ = 123355013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123357011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61678530 + 61678531.

It is an arithmetic number, because the mean of its divisors is an integer number (61678531).

Almost surely, 2^123357061 is an apocalyptic number.

It is an amenable number.

123357061 is a deficient number, since it is larger than the sum of its proper divisors (1).

123357061 is an equidigital number, since it uses as much as digits as its factorization.

123357061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 123357061 is about 11106.6223938693. The cubic root of 123357061 is about 497.7997466392.

The spelling of 123357061 in words is "one hundred twenty-three million, three hundred fifty-seven thousand, sixty-one".