149209210423 has 48 divisors (see below), whose sum is σ = 194761476000. Its totient is φ = 113162773248.

The previous prime is 149209210417. The next prime is 149209210429. The reversal of 149209210423 is 324012902941.

It is an interprime number because it is at equal distance from previous prime (149209210417) and next prime (149209210429).

It is not a de Polignac number, because 149209210423 - 2¹³ = 149209202231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149209210429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2538693 + ... + 2596801.

It is an arithmetic number, because the mean of its divisors is an integer number (4057530750).

Almost surely, 2^149209210423 is an apocalyptic number.

149209210423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

149209210423 is a deficient number, since it is larger than the sum of its proper divisors (45552265577).

149209210423 is a wasteful number, since it uses less digits than its factorization.

149209210423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58304 (or 58297 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 149209210423 in words is "one hundred forty-nine billion, two hundred nine million, two hundred ten thousand, four hundred twenty-three".