123351407 has 2 divisors, whose sum is σ = 123351408. Its totient is φ = 123351406.

The previous prime is 123351383. The next prime is 123351409. The reversal of 123351407 is 704153321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123351407 - 2⁶ = 123351343 is a prime.

Together with 123351409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123351409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61675703 + 61675704.

It is an arithmetic number, because the mean of its divisors is an integer number (61675704).

Almost surely, 2^123351407 is an apocalyptic number.

123351407 is a deficient number, since it is larger than the sum of its proper divisors (1).

123351407 is an equidigital number, since it uses as much as digits as its factorization.

123351407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 123351407 is about 11106.3678581254. The cubic root of 123351407 is about 497.7921410679.

The spelling of 123351407 in words is "one hundred twenty-three million, three hundred fifty-one thousand, four hundred seven".