51723119 has 8 divisors (see below), whose sum is σ = 59243520. Its totient is φ = 44235576.

The previous prime is 51723107. The next prime is 51723127. The reversal of 51723119 is 91132715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51723119 - 2¹² = 51719023 is a prime.

It is a super-2 number, since 2×51723119² = 5350562078176322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51723091 and 51723100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51722119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4739 + ... + 11220.

It is an arithmetic number, because the mean of its divisors is an integer number (7405440).

Almost surely, 2^51723119 is an apocalyptic number.

51723119 is a deficient number, since it is larger than the sum of its proper divisors (7520401).

51723119 is a wasteful number, since it uses less digits than its factorization.

51723119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16429.

The product of its digits is 1890, while the sum is 29.

The square root of 51723119 is about 7191.8786836264. The cubic root of 51723119 is about 372.5874611079.

The spelling of 51723119 in words is "fifty-one million, seven hundred twenty-three thousand, one hundred nineteen".