140407623 has 6 divisors (see below), whose sum is σ = 202811024. Its totient is φ = 93605076.

The previous prime is 140407621. The next prime is 140407627. The reversal of 140407623 is 326704041.

It is not a de Polignac number, because 140407623 - 2¹ = 140407621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140407621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7800415 + ... + 7800432.

Almost surely, 2^140407623 is an apocalyptic number.

140407623 is a deficient number, since it is larger than the sum of its proper divisors (62403401).

140407623 is a wasteful number, since it uses less digits than its factorization.

140407623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15600853 (or 15600850 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 140407623 is about 11849.3722618542. The cubic root of 140407623 is about 519.7528695025.

The spelling of 140407623 in words is "one hundred forty million, four hundred seven thousand, six hundred twenty-three".