50142623 has 2 divisors, whose sum is σ = 50142624. Its totient is φ = 50142622.

The previous prime is 50142619. The next prime is 50142637. The reversal of 50142623 is 32624105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50142623 - 2² = 50142619 is a prime.

It is equal to p_3009173 and since 50142623 and 3009173 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50142613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25071311 + 25071312.

It is an arithmetic number, because the mean of its divisors is an integer number (25071312).

Almost surely, 2^50142623 is an apocalyptic number.

50142623 is a deficient number, since it is larger than the sum of its proper divisors (1).

50142623 is an equidigital number, since it uses as much as digits as its factorization.

50142623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 50142623 is about 7081.1455994069. The cubic root of 50142623 is about 368.7531024157.

Adding to 50142623 its reverse (32624105), we get a palindrome (82766728).

The spelling of 50142623 in words is "fifty million, one hundred forty-two thousand, six hundred twenty-three".