137346623 has 4 divisors (see below), whose sum is σ = 137916768. Its totient is φ = 136776480.

The previous prime is 137346617. The next prime is 137346637. The reversal of 137346623 is 326643731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326643731 = 4229 ⋅77239.

It is a cyclic number.

It is not a de Polignac number, because 137346623 - 2⁴ = 137346607 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 (137346613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284711 + ... + 285192.

It is an arithmetic number, because the mean of its divisors is an integer number (34479192).

Almost surely, 2^137346623 is an apocalyptic number.

137346623 is a deficient number, since it is larger than the sum of its proper divisors (570145).

137346623 is an equidigital number, since it uses as much as digits as its factorization.

137346623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570144.

The product of its digits is 54432, while the sum is 35.

The square root of 137346623 is about 11719.4975574894. The cubic root of 137346623 is about 515.9480735660.

It can be divided in two parts, 137346 and 623, that multiplied together give a palindrome (85566558).

The spelling of 137346623 in words is "one hundred thirty-seven million, three hundred forty-six thousand, six hundred twenty-three".