123431416 has 8 divisors (see below), whose sum is σ = 231433920. Its totient is φ = 61715704.

The previous prime is 123431401. The next prime is 123431431. The reversal of 123431416 is 614134321.

It is an interprime number because it is at equal distance from previous prime (123431401) and next prime (123431431).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7714456 + ... + 7714471.

It is an arithmetic number, because the mean of its divisors is an integer number (28929240).

Almost surely, 2^123431416 is an apocalyptic number.

It is an amenable number.

123431416 is a deficient number, since it is larger than the sum of its proper divisors (108002504).

123431416 is a wasteful number, since it uses less digits than its factorization.

123431416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15428933 (or 15428929 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 123431416 is about 11109.9692168790. The cubic root of 123431416 is about 497.8997448760.

Adding to 123431416 its reverse (614134321), we get a palindrome (737565737).

The spelling of 123431416 in words is "one hundred twenty-three million, four hundred thirty-one thousand, four hundred sixteen".