148188623 has 4 divisors (see below), whose sum is σ = 161660328. Its totient is φ = 134716920.

The previous prime is 148188611. The next prime is 148188631. The reversal of 148188623 is 326881841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148188623 - 2¹² = 148184527 is a prime.

It is a super-2 number, since 2×148188623² = 43919735973272258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148188683) 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, 6735836 + ... + 6735857.

It is an arithmetic number, because the mean of its divisors is an integer number (40415082).

Almost surely, 2^148188623 is an apocalyptic number.

148188623 is a deficient number, since it is larger than the sum of its proper divisors (13471705).

148188623 is a wasteful number, since it uses less digits than its factorization.

148188623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471704.

The product of its digits is 73728, while the sum is 41.

The square root of 148188623 is about 12173.2749496592. The cubic root of 148188623 is about 529.1818669685.

The spelling of 148188623 in words is "one hundred forty-eight million, one hundred eighty-eight thousand, six hundred twenty-three".