149994943157723 has 4 divisors (see below), whose sum is σ = 151176005702400. Its totient is φ = 148813880613048.

The previous prime is 149994943157707. The next prime is 149994943157783. The reversal of 149994943157723 is 327751349499941.

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 149994943157723 - 2⁴ = 149994943157707 is a prime.

It is a super-3 number, since 3×149994943157723³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149994943157783) 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, 590531272148 + ... + 590531272401.

It is an arithmetic number, because the mean of its divisors is an integer number (37794001425600).

Almost surely, 2^{149994943157723} is an apocalyptic number.

149994943157723 is a deficient number, since it is larger than the sum of its proper divisors (1181062544677).

149994943157723 is a wasteful number, since it uses less digits than its factorization.

149994943157723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181062544676.

The product of its digits is 1851776640, while the sum is 77.

The spelling of 149994943157723 in words is "one hundred forty-nine trillion, nine hundred ninety-four billion, nine hundred forty-three million, one hundred fifty-seven thousand, seven hundred twenty-three".